CN106713800B - projection system and projection method - Google Patents
projection system and projection method Download PDFInfo
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- CN106713800B CN106713800B CN201510815736.9A CN201510815736A CN106713800B CN 106713800 B CN106713800 B CN 106713800B CN 201510815736 A CN201510815736 A CN 201510815736A CN 106713800 B CN106713800 B CN 106713800B
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000003287 optical effect Effects 0.000 claims description 42
- 230000007246 mechanism Effects 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 description 72
- 238000012545 processing Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 8
- 230000001052 transient effect Effects 0.000 description 8
- 241001446467 Mama Species 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 102100027237 MAM domain-containing protein 2 Human genes 0.000 description 3
- 101710116166 MAM domain-containing protein 2 Proteins 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000010287 polarization Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7408—Direct viewing projectors, e.g. an image displayed on a video CRT or LCD display being projected on a screen
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3185—Geometric adjustment, e.g. keystone or convergence
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3147—Multi-projection systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/583—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/12—Hotels or restaurants
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
Abstract
The invention discloses a projection system and a projection method. The projection method comprises the following steps: sending an identification signal; receiving an identification response signal corresponding to the identification signal; acquiring display information from a database according to the identification response signal; obtaining a plurality of relative angles of a plurality of projection devices relative to the current direction of a first device and a plurality of distances of the projection devices relative to the first device according to the current position and the current direction of the first device; and controlling a first projection device of the projection devices to project the display information according to the relative angle of the projection device relative to the current direction of the first device and the distance of the projection device relative to the first device. Therefore, service personnel can know the customer information through the projected image, and the service efficiency can be improved.
Description
Technical field
The present invention relates to a kind of electronic device and methods.Specifically, the present invention relates to a kind of optical projection system and projection sides
Method.
Background technique
With the development of science and technology, service system has been widely used in people's lives.
Typical service system frequently by the image of face for capturing customer, and will care in order to recognize customer's status
The image of face of visitor is compared with more image of face in database, to obtain the identity of customer.Then, service system can
The related data of customer is shown on display.However, so service system needs to store customer's in advance in the database
Image of face.In addition, carrying out image of face comparison can take a substantial amount of time, it is not easy rapidly to provide identification result.Furthermore it takes
Business personnel need to utilize a display to the related data of viewing customer, will so will cause using upper inconvenience.
Therefore, a kind of improved method should be proposed.
Summary of the invention
An embodiment of the present invention is related to a kind of optical projection system.An embodiment according to the present invention, the optical projection system include more
A projection arrangement, a first device and a second device.The first device is to send an identification signal and receive corresponding
One in the identification signal identifies back-signalling.The second device to: according to the identification back-signalling, taken from a database
Obtain a display information；Work as front direction according to a current location and one for the first device, obtains the projection arrangement relative to this
More distances of the more relative angles for deserving front direction and the projection arrangement of first device relative to the first device；With
And the relative angle and the projection arrangement for deserving front direction according to the projection arrangement relative to the first device
Relative to the distance of the first device, the one first projection device display information in the projection arrangement is controlled.
An embodiment according to the present invention, wherein the identification signal is to be sent by the first device towards a 3rd device, and be somebody's turn to do
Identification back-signalling is as the 3rd device according to produced by the identification signal and sending.
An embodiment according to the present invention, wherein the projection arrangement is 3D projection arrangement.
An embodiment according to the present invention, wherein the second device also to: according to a movement speed of the first device and
One moving direction estimates position and one estimates direction to calculate the one of the first device；Position is estimated according to this of the first device
Direction is estimated with this, the projection arrangement is obtained relative to this of the first device and estimates the more relative angles in direction and described
Projection arrangement estimates distance relative to estimate position more of the first device；According to the projection arrangement relative to this
The more relative angles for estimating direction of one device and the projection arrangement relative to this of the first device estimate position
It is described to estimate distance, one second projection arrangement is determined in the projection arrangement；And it is switched to and is thrown using the second projection arrangement
The shadow display information.
An embodiment according to the present invention, wherein the second device also to: in the first device and first projection arrangement
Distance be greater than a preset threshold in the case where, be switched to using the second projection device display information.
Another embodiment of the present invention is related to a kind of projecting method.An embodiment according to the present invention, projecting method include: benefit
With a first device, an identification signal is sent；Using the first device, letter is responded in the identification received corresponding to the identification signal
Number；Using the second device, according to the identification back-signalling, a display information is obtained from a database；Utilize second dress
It sets, front direction is worked as according to a current location and one for the first device, obtains multiple projection arrangements relative to the first device
Deserve the more distances of the more relative angles and the projection arrangement of front direction relative to the first device；And using this
Two devices, according to the projection arrangement relative to the relative angle for deserving front direction of the first device and the projection
The distance of the device relative to the first device controls one first projection device display letter in the projection arrangement
Breath.
An embodiment according to the present invention, wherein the identification signal is to be sent by the first device towards a 3rd device, and be somebody's turn to do
Identification back-signalling is as the 3rd device according to produced by the identification signal and sending.
An embodiment according to the present invention, wherein the projection arrangement is 3D projection arrangement.
An embodiment according to the present invention, the projecting method further include: the second device is utilized, according to the one of the first device
Movement speed and a moving direction estimate position and one estimate direction to calculate the one of the first device；Using the second device,
Estimate position according to this of the first device and estimate direction with this, obtain the projection arrangement relative to the first device this is pre-
The more relative angles and the projection arrangement for estimating direction relative to estimate position more of the first device estimate distance；
Using the second device, more relative angles and the institute in direction are estimated relative to this of the first device according to the projection arrangement
It states projection arrangement to estimate relative to this of the first device and estimate distance described in position, one is determined in the projection arrangement
Two projection arrangements；And the second device is utilized, it is switched to using the second projection device display information.
An embodiment according to the present invention, the step of being switched to using the second projection device display information further include:
It is cut using the second device in the case where a distance of the first device and first projection arrangement is greater than a preset threshold
It is changed to and uses the second projection device display information.
Another embodiment of the present invention is related to a kind of optical projection system.An embodiment according to the present invention, the optical projection system include
An at least projection arrangement, a first device and a second device.An at least projection arrangement has a rotating mechanism.This
One device is to send an identification signal and receive the identification back-signalling corresponding to the identification signal.The second device is used
With: according to the identification back-signalling, a display information is obtained from a database；According to a current location of the first device,
Obtain an at least distance of at least projection arrangement relative to the first device；Work as front direction according to the one of the first device,
The rotating mechanism is enabled to rotate an at least projection arrangement；And being somebody's turn to do relative to the first device according to an at least projection arrangement
An at least distance controls at least projection device display information.
An embodiment according to the present invention, wherein an at least projection arrangement includes multiple projection arrangements, and the second device
Also to: the more distances according to the projection arrangement relative to the first device determine one first in the projection arrangement
Projection arrangement；Deserve front direction according to the first device, rotates first projection arrangement in the projection arrangement；And root
According to the distance of first projection arrangement relative to the first device, first projection device display information is controlled.
An embodiment according to the present invention, wherein the second device also to: according to a movement speed of the first device and
One moving direction estimates position and one estimates direction to calculate the one of the first device；Position is estimated according to this of the first device
Estimate position more that the projection arrangement is obtained relative to the first device estimate distance；According to the projection arrangement phase
The first device this is estimated and estimate distance described in position and determine one second projection arrangement in the projection arrangement；Root
Direction is estimated according to this of the first device, rotates second projection arrangement；And it is switched to and is somebody's turn to do using the second projection device
Show information.
An embodiment according to the present invention, wherein the second device is also in the first device and first projection arrangement
In the case that distance is greater than a preset threshold, it is switched to using the second projection device display information.
An embodiment according to the present invention, wherein the identification signal is to be sent by the first device towards a 3rd device, and be somebody's turn to do
Identification back-signalling is as the 3rd device according to produced by the identification signal and sending.
Another embodiment of the present invention is related to a kind of projecting method.An embodiment according to the present invention, the projecting method include:
Using a first device, an identification signal is sent；Using the first device, the identification received corresponding to the identification signal is responded
Signal；Using the second device, according to the identification back-signalling, a display information is obtained from a database；Using this second
Device, according to a current location of the first device, obtain an at least projection arrangement relative to the first device at least one away from
From；Using the second device, work as front direction according to the one of the first device, a rotating mechanism is enabled to rotate at least one projection dress
It sets；And the second device is utilized, and at least distance according to an at least projection arrangement relative to the first device, control
At least projection device display information.
An embodiment according to the present invention, which includes multiple projection arrangements.The projecting method includes: benefit
With the second device, more distances according to the projection arrangement relative to the first device determine in the projection arrangement
One first projection arrangement.The step of deserving front direction according to the first device, rotating an at least projection arrangement includes: to utilize
The second device deserves front direction according to the first device, rotates first projection arrangement in the projection arrangement.According to
At least distance of an at least projection arrangement relative to the first device controls at least projection device display
The step of information includes: using the second device, and according to the distance of first projection arrangement relative to the first device, control should
The first projection device display information.
An embodiment according to the present invention, the projecting method further include: the second device is utilized, according to the one of the first device
Movement speed and a moving direction estimate position and one estimate direction to calculate the one of the first device；Using the second device,
It estimates position according to this of the first device and obtains the projection arrangement and estimate more of position relative to this of the first device
Estimate distance；Using the second device, the described pre- of position is estimated relative to this of the first device according to the projection arrangement
Estimate distance and determines one second projection arrangement in the projection arrangement；It is pre- according to this of the first device using the second device
Estimate direction, rotates second projection arrangement；And the second device is utilized, it is switched to using the display of the second projection device
Information.
An embodiment according to the present invention, the step of being switched to using the second projection device display information further include:
Utilize the second device, in the case where the first device is greater than a preset threshold at a distance from first projection arrangement, switching
To use the second projection device display information.
An embodiment according to the present invention, the identification signal are to be sent by the first device towards a 3rd device, and the identification
Back-signalling is as the 3rd device according to produced by the identification signal and sending.
Through an above-mentioned embodiment is applied, position and angle can be selected to be most suitable for attendant in multiple projection arrangements
One of, project Customer Information.In this way, which attendant is that can pass through the image projected to learn Customer Information, so as to mention
Rise efficiency of service.
Detailed description of the invention
Fig. 1 is the schematic diagram of the optical projection system according to depicted in one embodiment of the invention；
Fig. 2 is the schematic diagram according to projected position analysis module depicted in an application examples of the invention；
Fig. 3 is the flow chart of the projecting method according to depicted in one embodiment of the invention；
Fig. 4 is the schematic diagram of the optical projection system according to depicted in another embodiment of the present invention；
Fig. 5 is the schematic diagram according to projected position analysis module depicted in another application example of the present invention；And
Fig. 6 is the flow chart of the projecting method according to depicted in another embodiment of the present invention.
Specific embodiment
It will clearly illustrate spirit of the invention below with attached drawing and in detail narration, have in any technical field usual
Skill is after understanding the embodiment of the present invention, when can be changed and be modified, not taken off by the technology of teachings of the present invention
From spirit and scope of the invention.
About " first " used herein, " second " ... etc., not especially censure the meaning of order or cis-position, also
It is non-to limit the present invention, only for distinguish with same technique term description element or operation.
About " electric connection " used herein, can refer to two or multiple element mutually directly make entity or be electrically connected with
Touching, or mutually put into effect indirectly body or in electrical contact, and " electric connection " also can refer to two or multiple element element mutual operation or
Movement.
It is open term, i.e., about "comprising" used herein, " comprising ", " having ", " containing " etc.
Mean including but not limited to.
About it is used herein " and/or ", be include any of the things or all combination.
About direction term used herein, such as: upper and lower, left and right, front or rear etc. are only with reference to attached drawings
Direction.Therefore, the direction term used is intended to be illustrative and not intended to limit the present invention.
About word used herein (terms), in addition to having and especially indicating, usually have each word using herein
In field, herein in the content disclosed with the usual meaning in special content.It is certain will be under to describe word of the invention
Or discussed in the other places of this specification, to provide those skilled in the art's guidance additional in description for the present invention.
One embodiment of the present invention is a kind of optical projection system.This optical projection system can be applicable to dining room, cafe or its
In its interior space, information needed can be rapidly obtained to provide attendant.It is clear to make to illustrate, in following paragraphs
In, it will be described for applying the optical projection system in dining room, however invention is not limited thereto.
Fig. 1 is the schematic diagram of the optical projection system 10 according to depicted in one embodiment of the invention.In the present embodiment, projection system
System 10 includes first device 20, server 40 (second device) and multiple projection arrangement PJ1, PJ2.In the present embodiment,
One device 20 can be communicated with server 40, and server 40 can be communicated with projection arrangement PJ1, PJ2.
Though it should be noted that in the present embodiment, be illustrated by taking two projection arrangements PJ1, PJ2 as an example, it is other
The projection arrangement of quantity is also among the scope of the invention.
In the present embodiment, first device 20 can be the mobile device of attendant.In the present embodiment, projection arrangement
The specific position (such as specific position of ceiling) in dining room can be preset in PJ1, PJ2.In an embodiment of the present invention,
One device 20 can detect the mobile device (e.g. 3rd device 30) of neighbouring customer, to obtain a customer identification information, and
This customer identification information is back to server 40.Server 40, which can obtain corresponding customer according to customer identification information, to be believed
Breath, and according to the current location of first device 20 and current angular, control one of projection arrangement PJ1, PJ2 projection customer's letter
Breath, to enable attendant be able to the Customer Information that viewing projects.In some specific embodiments, projection arrangement PJ1,
PJ2 is 3D projection arrangement.In one embodiment, 3D projection arrangement can be projection medium with air.By the scattering of light, only
Attendant positioned at specific position can understand viewing Customer Information.In another embodiment, angle-views available controls optical filter
(viewing angle control filter) or shutter optics polarization light technology (microlouver), so as to only be located at
The attendant of specific position can understand viewing Customer Information.Thus the privacy of customer can be protected.
Following paragraphs will specifically introduce the details of optical projection system 10, and the present invention is not limited with following embodiments.
In one embodiment, first device 20 may include identification signal sending module IDT, position detecting module LDM and
Message processing module MEM.Identification signal sending module IDT, position detecting module LDM and message processing module MEM are electric each other
Property connection.In one embodiment, identification signal sending module IDT, position detecting module LDM and message processing module MEM be all
It can be realized with central processing unit, microprocessor or other appropriate computing devices.
In one embodiment, server 40 may include projection operation module PJO, identity identification module I DM, projected position point
Analyse module PJA, projection arrangement control module PJC and customer database CDS.Projection operation module PJO is electrically connected identity and distinguishes
Know module I DM, projected position analysis module PJA and projection arrangement control module PJC.Identity identification module I DM, which is electrically connected, to be cared for
Objective database CDS.
In one embodiment, projection operation's module PJO, identity identification module I DM and projection arrangement control module PJC
It can all be realized with central processing unit, microprocessor or other appropriate computing devices.Customer database CDS can with read-only memory,
Flash memory, floppy disk, hard disk, CD, portable disk, tape, can by network access database or be familiar with this those skilled in the art can be light
Yi Si and non-transient computer medium capable of reading record with the same function are realized.
In one embodiment, identification signal sending module IDT can be used to send an identification through communication element (not being painted)
Signal.In one embodiment, this identification signal is the preset direction transmission towards first device 20 (also that is, identification signal is
Have (directional) of directionality).In this way, can only be received positioned at the mobile device of attendant's specific direction
This identification signal.In one embodiment, settable metal cover is around communication element, so that this identification signal is towards first
One preset direction of device 20 is sent.
In one embodiment, the 3rd device 30 positioned at the preset direction of first device 20 can receive identification signal.The
Three devices 30 can be the mobile device of customer.The mountable application program of 3rd device 30 (e.g. booking program), and have
The identification information of customer.When 3rd device 30 and first device 20 close to when, 3rd device 30 can be connect using this application program
The identification signal is received, and is generated according to this identification signal and sends an identification back-signalling to first device 20.This identification
Back-signalling includes the identification information of customer.
In one embodiment, position detecting module LDM can be used to detect the current location of first device 20 and work as front
To.In one embodiment, position detecting module LDM is, for example, the Beacon signal for passing through and receiving and being set to different location in dining room
Multiple Beacon signals of transmitter (not being painted) transmitting obtain current location, or benefit to carry out positioning to first device 20
With positioning system (such as GPS, Wi-Fi positioning, RFID positioning, bluetooth positioning, the ZigBee positioning, infrared ray in first device 20
Indoor positioning technologies etc.), to obtain current location.In another embodiment, position detecting module LDM for example can pass through first
What an internal gyroscope (not being painted) and an electronic compass (not being painted) learnt first device 20 in device 20 works as front direction.
In one embodiment, message processing module MPM can be used to be received through communication element (not being painted) from the first dress
Set 20 identification back-signalling, and the current location to provide first device 20 through communication element and when front direction and
Identify back-signalling to server 40.
In one embodiment, projection operation's module PJO to receive first device 20 current location and when front direction, with
And identification back-signalling, and to control mould with identity identification module I DM, projected position analysis module PJA and projection arrangement
Block PJC is linked up.
Identity identification module I DM from customer database CDS according to identification back-signalling, to obtain a display information.
In one embodiment, this display information can be the information (such as name, hobby) of customer.
Projected position analysis module PJA obtains projection dress according to the current location of first device 20 and to work as front direction
PJ1, PJ2 are set relative to first device 20 when the relative angle and projection arrangement PJ1, PJ2 of front direction are relative to first device
20 distance.Projected position analysis module PJA is also to work as front relative to first device 20 according to projection arrangement PJ1, PJ2
To distance relative to first device 20 of relative angle and projection arrangement PJ1, PJ2, determine using in projection arrangement PJ1, PJ2
Any one projected.
For example, it is more comparable to and first in projecting direction of the projecting direction of projection arrangement PJ1 than projection arrangement PJ2
Device 20 is worked as front direction (such as identical in face of direction (facing direction) with attendant), and projection arrangement
In the case that PJ1 is less than projection arrangement PJ2 at a distance from first device 20 at a distance from first device 20, projected position analyzes mould
Block PJA can choose projection arrangement PJ1 and be projected.
In some embodiments, projection arrangement PJ1, PJ2 relative to first device 20 when front direction relative angle with
Projection arrangement PJ1, PJ2 can have different weights relative to the distance of first device 20.Projected position analysis module PJA can basis
Numerical value after weight determines to be projected using which one in projection arrangement PJ1, PJ2.
Projection arrangement control module PJC is to control the projection device selected in projection arrangement PJ1, PJ2 display letter
Breath.
By above-mentioned setting, position and angle can be selected to be most suitable for the one of attendant in multiple projection arrangements
Person projects Customer Information.In this way, which attendant is that can pass through the image projected to learn Customer Information, so as to promote clothes
Business efficiency.
Fig. 2 is the schematic diagram of the projected position analysis module PJA according to depicted in one embodiment of the invention.In the present embodiment
In, projected position analysis module PJA may include data collecting module DAR, position angle analysis module LAM, distance analysis module
DAM, mobile analysis module MAM and projection arrangement data memory device PJS.Data collecting module DAR can be electrically connected position
Angle analysis module LAM, distance analysis module DAM and mobile analysis module MAM.Projection arrangement data memory device PJS can electricity
Property link position angle analysis module LAM, distance analysis module DAM and mobile analysis module MAM.
In the present embodiment, data collecting module DAR, position angle analysis module LAM, distance analysis module DAM and shifting
Dynamic analysis module MAM can all be realized with central processing unit, microprocessor or other appropriate computing devices.Projection arrangement data storage
Device PJS can with read-only memory, flash memory, floppy disk, hard disk, CD, portable disk, tape, can be by the number of network access
According to library or it is familiar with that this those skilled in the art can think easily and non-transient computer medium capable of reading record with the same function is realized.
In the present embodiment, projection arrangement data memory device PJS is to store the data of projection arrangement PJ1, PJ2 (such as
Position, projecting direction), and the data of projection arrangement PJ1, PJ2 are provided to position angle analysis module LAM, distance analysis module
DAM and mobile analysis module MAM.
Data collecting module DAR is to analyze mould with position angle analysis module LAM, distance analysis module DAM and movement
Block MAM is linked up, to collect and transmit data.
Distance analysis module DAM is to analyze the distance of projection arrangement PJ1, PJ2 relative to first device 20.Implement one
Example in, distance analysis module DAM be using be pre-stored in projection arrangement data memory device PJS projection arrangement PJ1,
The position of PJ2 and the current location of first device 20 calculate the distance of projection arrangement PJ1, PJ2 relative to first device 20.
Position angle analysis module LAM works as front direction relative to first device 20 to analyze projection arrangement PJ1, PJ2
Relative angle.In one embodiment, distance analysis module DAM is to utilize to be pre-stored in projection arrangement data memory device
The bearing data (e.g. vector) of projection arrangement PJ1, PJ2 in PJS and first device 20 work as front direction, calculate and throw
The relative angle of image device PJ1, PJ2 relative to first device 20.Then, position angle analysis LAM according to projection arrangement PJ1,
PJ2 relative to first device 20 when front direction relative angle and projection arrangement PJ1, PJ2 relative to first device 20 away from
From decision is projected using which one in projection arrangement PJ1, PJ2.
Mobile analysis module MAM is to the movement speed and a moving direction according to first device 20 to calculate the first dress
It sets 20 one to estimate position and one estimate direction, and projection arrangement is obtained according to estimating position and estimating direction for first device 20
PJ1, PJ2 are filled relative to the more relative angles for estimating direction and projection arrangement PJ1, PJ2 of first device 20 relative to first
More for estimating position for setting 20 estimate distance.Then, mobile analysis module MAM can according to projection arrangement PJ1, PJ2 relative to
The relative angle for estimating direction and projection arrangement PJ1, PJ2 of first device 20 estimate the pre- of position relative to first device 20
Estimate distance, a preparation projection arrangement is determined in projection arrangement PJ1, PJ2.
In one embodiment, after determining preparation projection arrangement, prepared projection arrangement can first be waken up (such as from dormant state
Starting).When first device 20 is moved to specific position, server 40 is controllable to be believed from by original projection device Projection Display
Breath, which is switched to, shows information by preparation projection device.In one embodiment, it can be in first device 20 and original throwing
In the case that the distance of image device is greater than (or being less than) preset threshold, it is switched to using preparation projection device display letter
Breath.In another embodiment, it is also possible to work as the opposite of front direction relative to first device 20 according to projection arrangement PJ1, PJ2
The distance of angle and projection arrangement PJ1, PJ2 relative to first device 20 is cut from by original projection device Projection Display information
It is changed to and shows information (for example, numerical value after preparation projection arrangement weight is higher or lower than original by preparation projection device
It is switched over when numerical value after beginning projection arrangement PJ2 weight).Whereby, even if attendant changes position, it still may be viewed by customer
Information.
It should be noted that in different embodiments, all or part of function of server 40 can also be realized in first device 20
On, therefore the present invention is not limited with above-described embodiment.
Below by by the projecting method 200 in Fig. 3, to provide the more specific details of the present invention, so the present invention is not with following realities
Example is applied to be limited.
It should be noted that projecting method 200 can be applied to the optical projection system of the same or similar structure shown in Fig. 1.And it is
Keep narration simple, below will an embodiment according to the present invention, carry out by taking the optical projection system 10 in Fig. 1 as an example to projecting method 200
Narration, so the present invention is not limited with this application.
In addition, projecting method 200 can also be implemented as a computer program, and being stored in one or more non-transient computers can
It reads in record media, and executes projecting method 200 after so that computer or electronic device is read this record media.Non-transient calculating
Machine medium capable of reading record can for read-only memory, flash memory, floppy disk, hard disk, CD, portable disk, tape, can be by network
The database of access is familiar with this those skilled in the art and can be thought easily and non-transient computer medium capable of reading record with the same function.
Further, it should be appreciated that arrive, the step of mentioned projecting method 200 in the present embodiment, except especially chatting, bright its is suitable
Outside sequence person, its tandem can be adjusted according to actual needs, or even can simultaneously or partially be performed simultaneously.
Furthermore in different embodiments, these steps also increase to adaptability, replace and/or omit.
In the present embodiment, projecting method 200 includes the following steps.
In step sl, first device 20 sends identification signal.The detail that first device 20 sends identification signal can
Referring to aforementioned paragraphs, this will not be repeated here.
In step s 2, first device 20 receives the identification back-signalling for corresponding to aforementioned identification signal.Letter is responded in identification
Number detail can refer to aforementioned paragraphs, this will not be repeated here.
In step s3, server 40 (second device) obtains one from customer database CDS according to identification back-signalling
Show information.The detail of display information can refer to aforementioned paragraphs, and this will not be repeated here.
In step s 4, server 40 (second device) according to the current location of first device 20 and work as front direction, acquisition
Projection arrangement PJ1, PJ2 are relative to first device 20 when the more relative angles and projection arrangement PJ1, PJ2 of front direction are opposite
In more distances of first device 20.
In step s 5, server 40 (second device) according to projection arrangement PJ1, PJ2 working as relative to first device 20
Distance of the relative angle and projection arrangement PJ1, PJ2 of front direction relative to first device 20 controls projection arrangement PJ1, PJ2
One of Projection Display information.
In one embodiment, one of projection arrangement PJ1, PJ2 (e.g. original projection dress are controlled in server 40
Set) after Projection Display information (step S5), server 40 can also according to a movement speed and a moving direction for first device 20,
A preparation projection arrangement is determined in projection arrangement PJ1, PJ2, and when first device 20 is moved to specific position, from passing through original
Beginning projection device shows that information is switched to and shows information by preparation projection device.Detail can refer to aforementioned section
It falls, this will not be repeated here.
By above-mentioned operation, position and angle can be selected to be most suitable for the one of attendant in multiple projection arrangements
Person projects Customer Information.In this way, which attendant is that can pass through the image projected to learn Customer Information, so as to promote clothes
Business efficiency.
Fig. 4 is the schematic diagram of the optical projection system 10a according to depicted in one embodiment of the invention.In the present embodiment, it projects
System 10a includes first device 20, server 40a (second device) and at least one projection arrangement PJ1.In the present embodiment
In, first device 20 can be communicated with server 40a, and server 40a can be communicated with projection arrangement PJ1.In this implementation
In example, projection arrangement PJ1 has rotating mechanism RT1.Projecting direction of the rotating mechanism RT1 to change projection arrangement PJ1.One
In embodiment, rotating mechanism RT1 can be real with oil tappet (hydraulic tappet) or stepper motor (stepper motor)
It is existing.
Although it should be noted that in the present embodiment, be illustrated by taking a projection arrangement PJ1 as an example, however other quantity
Projection arrangement also among the scope of the invention.
In the present embodiment, first device 20 can be the mobile device of attendant.In the present embodiment, projection arrangement
The specific position (such as specific position of ceiling) in dining room can be preset in PJ1.In an embodiment of the present invention, the first dress
The mobile device (e.g. 3rd device 30) of neighbouring customer can be detected by setting 20, to obtain a customer identification information, and by this
One customer identification information is back to server 40.Server 40 can obtain corresponding Customer Information, root according to customer identification information
According to the rotating mechanism for working as front direction rotation projection arrangement PJ1 of first device 20, and according to projection arrangement PJ1 relative to the first dress
20 distance controlling projection arrangement PJ1 projection Customer Information is set, to enable attendant be able to the Customer Information of viewing projection.One
In embodiment, projection arrangement PJ1 is 3D projection arrangement.It is seen in this way, can only understand positioned at the attendant of specific position
It sees Customer Information, and the privacy of customer can be protected.
In addition, in different embodiments, optical projection system 10a may include multiple projection arrangements, server 40 can be according to first
The current location of device 20 determines to be projected using which projection arrangement, and according to first device 20 when front direction rotation
The rotating mechanism of selected projection arrangement, then control selected projection device Customer Information.
Following paragraphs will specifically introduce the details of optical projection system 10a, and the present invention is not limited with following embodiments.
In one embodiment, first device 20 may include identification signal sending module IDT, position detecting module LDM and
Message processing module MEM.First device 20 can be used to send identification signal to 3rd device 30.Identification signal sending module IDT,
The detail of position detecting module LDM, message processing module MEM and 3rd device 30 can refer to previous embodiment, herein
It does not repeat.
In one embodiment, server 40a may include projection operation module PJO, identity identification module I DM, projected position
Analysis module PJAa, projection arrangement control module PJC and customer database CDS.Projection operation module PJO is electrically connected body
Part identification module I DM, projected position analysis module PJAa and projection arrangement control module PJC.Identity identification module I DM is electrical
Connect customer database CDS.
In one embodiment, projection operation's module PJO, identity identification module I DM and projection arrangement control module PJCa
It can all be realized with central processing unit, microprocessor or other appropriate computing devices.Customer database CDS can with read-only memory,
Flash memory, floppy disk, hard disk, CD, portable disk, tape, can by network access database or be familiar with this those skilled in the art can be light
Yi Si and non-transient computer medium capable of reading record with the same function are realized.
In one embodiment, projection operation's module PJO to receive first device 20 current location and when front direction, with
And identification back-signalling, and to control mould with identity identification module I DM, projected position analysis module PJA and projection arrangement
Block PJC is linked up.
Identity identification module I DM from customer database CDS according to identification back-signalling, to obtain a display information.
In one embodiment, this display information can be the information (such as name, hobby) of customer.
Projected position analysis module PJAa obtains projection system according to the current location of first device 20 and to work as front direction
Projection arrangement in system 10a is relative to first device 20 when the projection dress in the relative angle and optical projection system 10a of front direction
Set the distance relative to first device 20.In some embodiments, there is the case where multiple projection arrangements in optical projection system 10a
Under, projected position analysis module PJAa can be used to according to the projection arrangement in optical projection system 10a relative to first device 20 away from
From decision is projected using which projection arrangement in optical projection system 10a.
For example, in the first projection arrangement at a distance from first device 20 less than the first projection arrangement and first device 20
Distance in the case where, projected position analysis module PJAa can choose the first projection arrangement and be projected.Again for example, it is throwing
In the case where only having projection arrangement PJ1 in shadow system 10a, projected position analysis module PJAa chooses projection arrangement PJ1 and is thrown
Shadow.
On the other hand, projected position analysis module PJAa also to according to the projection arrangement in optical projection system 10a relative to
First device 20 when front direction relative angle, determine the rotation angle of the rotating mechanism of selected projection arrangement.
Rotating mechanism of the projection arrangement control module PJC to rotate selected projection arrangement according to aforementioned rotation angle,
And to show information according to the selected projection arrangement projection device selected relative to the distance controlling of first device 20.
By above-mentioned setting, i.e., the projecting direction of rotatable projection arrangement, to project Customer Information.In this way, take
Business personnel are that can pass through the image projected to learn Customer Information, so as to promote efficiency of service.
Fig. 5 is the schematic diagram of the projected position analysis module PJAa according to depicted in one embodiment of the invention.In this implementation
In example, projected position analysis module PJAa may include data collecting module DARa, location analysis module LCM, distance analysis module
DAM, mobile analysis module MAMa, angle analysis modules A AM and projection arrangement data memory device PJSa.Data collecting mould
Block DARa can be electrically connected location analysis module LCM, distance analysis module DAM, mobile analysis module MAMa, angle analysis module
AAM.Projection arrangement data memory device PJS can be electrically connected location analysis module LCM, distance analysis module DAM, mobile analysis
Module MAMa, angle analysis modules A AM.
In the present embodiment, data collecting module DARa, location analysis module LCM, distance analysis module DAM, mobile point
Analysing module MAMa, angle analysis modules A AM can all be realized with central processing unit, microprocessor or other appropriate computing devices.It throws
Image device data memory device PJSa can with read-only memory, flash memory, floppy disk, hard disk, CD, portable disk, tape, can
By network access database or be familiar with that this those skilled in the art can think easily and note can be read in non-transient computer with the same function
Record media are realized.
In the present embodiment, projection arrangement data memory device PJSa is to store the projection arrangement in optical projection system 10a
Data (such as position), and provide the data of projection arrangement in optical projection system 10a to location analysis module LCM, distance analysis
Module DAM, mobile analysis module MAMa, angle analysis modules A AM.
Data collecting module DARa to location analysis module LCM, distance analysis module DAM, mobile analysis module
MAMa, angle analysis modules A AM are linked up, to collect and transmit data.
Distance analysis module DAM is to analyze distance of the projection arrangement in optical projection system 10a relative to first device 20.
Location analysis module LCM to the distance according to the projection arrangement in optical projection system 10a relative to first device 20,
Decision is projected using which projection arrangement.
Angle analysis modules A AM is to analyze the projection arrangement in optical projection system 10a relative to the current of first device 20
The relative angle in direction, and according to projection arrangement relative to first device 20 when the relative angle of front direction, determine selected
The rotation angle of the rotating mechanism of projection arrangement.
Mobile analysis module MAMa is to the movement speed and a moving direction according to first device 20 to calculate first
The one of device 20 estimates position and one estimates direction, and obtains projection dress according to estimating position and estimating direction for first device 20
It sets and estimates position relative to first device 20 relative to the more relative angles for estimating direction and projection arrangement of first device 20
More set estimate distance.Then, mobile analysis module MAM can estimate direction relative to first device 20 according to projection arrangement
Relative angle and projection arrangement relative to first device 20 estimate position estimate distance, determine that one is pre- in projection arrangement
Standby projection arrangement.
In one embodiment, after determining preparation projection arrangement, prepared projection arrangement can first be waken up (such as from dormant state
Starting).In addition, server 40a can be thrown according to the direction spinning reserve of estimating of first device 20 after determining preparation projection arrangement
The rotating mechanism of image device.When first device 20 is moved to specific position, server 40a is controllable to be filled from by original projection
Projection Display information is set to be switched to through preparation projection device display information.In one embodiment, it can be in the first dress
Set 20 at a distance from original projection device be greater than (or being less than) preset threshold in the case where, be switched to using preparation projection arrangement
Projection Display information.Whereby, even if attendant changes position, it still may be viewed by Customer Information.
It should be noted that in different embodiments, all or part of function of server 40a can also be realized in first device 20
On, therefore the present invention is not limited with above-described embodiment.
Below by by the projecting method 400 in Fig. 6, to provide the more specific details of the present invention, so the present invention is not with following realities
Example is applied to be limited.
It should be noted that projecting method 400 can be applied to the optical projection system of the same or similar structure shown in Fig. 4.And it is
Keep narration simple, below will an embodiment according to the present invention, carry out by taking the optical projection system 10a in Fig. 4 as an example to projecting method 400
Narration, so the present invention is not limited with this application.
In addition, projecting method 400 can also be implemented as a computer program, and being stored in one or more non-transient computers can
It reads in record media, and executes projecting method 400 after so that computer or electronic device is read this record media.Non-transient calculating
Machine medium capable of reading record can for read-only memory, flash memory, floppy disk, hard disk, CD, portable disk, tape, can be by network
The database of access is familiar with this those skilled in the art and can be thought easily and non-transient computer medium capable of reading record with the same function.
Further, it should be appreciated that arrive, the step of mentioned projecting method 400 in the present embodiment, except especially chatting, bright its is suitable
Outside sequence person, its tandem can be adjusted according to actual needs, or even can simultaneously or partially be performed simultaneously.
Furthermore in different embodiments, these steps also increase to adaptability, replace and/or omit.
In the present embodiment, projecting method 400 includes the following steps.
In step T1, first device 20 sends identification signal.The detail that first device 20 sends identification signal can
Referring to aforementioned paragraphs, this will not be repeated here.
In step T2, first device 20 receives the identification back-signalling for corresponding to aforementioned identification signal.Letter is responded in identification
Number detail can refer to aforementioned paragraphs, this will not be repeated here.
In step T3, server 40a obtains a display information according to identification back-signalling from customer database CDS.
The detail of display information can refer to aforementioned paragraphs, and this will not be repeated here.
In step t 4, server 40a is according to the current location of first device 20, obtains projection arrangement PJ1 relative to the
The distance of one device 20.
In step T5, server 40a works as front direction according to first device 20, enables the rotating mechanism of projection arrangement PJ1
RT1 rotates projection arrangement PJ1.
In step T6, distance of the server 40a according to projection arrangement PJ1 relative to first device 20, control projection dress
Set PJ1 Projection Display information.
In some embodiments, in the case where optical projection system 10a has multiple projection arrangements, in step T4, server
40a obtains more distances of multiple projection arrangements relative to first device 20 according to the current location of first device 20, and according to
Distance of these projection arrangements relative to first device 20, decision are projected using which projection arrangement.
Then, server 40a can work as front direction according to first device 20, rotate the whirler of selected projection arrangement
Structure.Then, server 40a can distance according to selected projection arrangement relative to first device 20, control selected projection dress
Set Projection Display information.
In one embodiment, one of multiple projection arrangements (e.g. original projection device) is controlled in server 40a
After Projection Display information, server 40a can also be according to a movement speed and a moving direction for first device 20, in multiple projections
A preparation projection arrangement is determined in device, and when first device 20 is moved to specific position, control is filled from by original projection
Projection Display information is set to be switched to through preparation projection device display information.Detail can refer to aforementioned paragraphs, herein
It does not repeat.
By above-mentioned operation, i.e., the projecting direction of rotatable projection arrangement, to project Customer Information.In this way, take
Business personnel are that can pass through the image projected to learn Customer Information, so as to promote efficiency of service.
Although the present invention has been disclosed by way of example above, it is not intended to limit the present invention., any to be familiar with this those skilled in the art,
Without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations, therefore protection scope of the present invention is when view
Subject to the scope of which is defined in the appended claims.
Claims (20)
1. a kind of optical projection system characterized by comprising
Multiple projection arrangements；
One first device, to:
Send an identification signal；And
Receive the identification back-signalling corresponding to the identification signal；And
One second device, to:
According to the identification back-signalling, a display information is obtained from a database；
Work as front direction according to a current location and one for the first device, obtains the projection arrangement relative to the first device
Deserve the more distances of the more relative angles and the projection arrangement of front direction relative to the first device；And
It is filled according to the projection arrangement relative to the relative angle for deserving front direction of the first device and the projection
The distance relative to the first device is set, one first projection device display letter in the projection arrangement is controlled
Breath.
2. optical projection system according to claim 1, which is characterized in that the identification signal is by the first device towards a third
Device is sent, and the identification back-signalling is as the 3rd device according to produced by the identification signal and sending.
3. optical projection system according to claim 1, which is characterized in that the projection arrangement is 3D projection arrangement.
4. optical projection system according to claim 1, which is characterized in that the second device also to:
Position and one is estimated in advance according to a movement speed of the first device and a moving direction to calculate the one of the first device
Estimate direction；
It estimates position according to this of the first device and estimates direction with this, obtain the projection arrangement relative to the first device
This is estimated the more relative angles in direction and the projection arrangement and estimates relative to estimate position more of the first device
Distance；
The relative angle and the projection arrangement in direction are estimated relative to this of the first device according to the projection arrangement
This relative to the first device is estimated and estimates distance described in position, and one second projection dress is determined in the projection arrangement
It sets；And
It is switched to and uses the second projection device display information.
5. optical projection system according to claim 4, which is characterized in that the second device also to:
In the case where the first device is greater than a preset threshold at a distance from first projection arrangement, it is switched to and is thrown using second
Image device projects the display information.
6. a kind of projecting method characterized by comprising
Using a first device, an identification signal is sent；
Using the first device, the identification back-signalling corresponding to the identification signal is received；
Using a second device, according to the identification back-signalling, a display information is obtained from a database；
Using the second device, front direction is worked as according to a current location and one for the first device, obtains multiple projection arrangement phases
For more relative to the first device of the more relative angles and the projection arrangement that deserve front direction of the first device
Distance；And
The relative angle for deserving front direction using the second device, according to the projection arrangement relative to the first device
And the distance of the projection arrangement relative to the first device, control one first projection arrangement in the projection arrangement
Project the display information.
7. projecting method according to claim 6, which is characterized in that the identification signal is by the first device towards a third
Device is sent, and the identification back-signalling is as the 3rd device according to produced by the identification signal and sending.
8. projecting method according to claim 6, which is characterized in that the projection arrangement is 3D projection arrangement.
9. projecting method according to claim 6, which is characterized in that further include:
Using the second device, according to a movement speed of the first device and a moving direction to calculate the one of the first device
It estimates position and one estimates direction；
Using the second device, estimates position according to this of the first device and estimate direction with this, obtain the projection arrangement phase
For the first device this estimate direction more relative angles and the projection arrangement relative to the first device this is pre-
More for estimating position estimate distance；
Using the second device, the relative angle in direction is estimated relative to this of the first device according to the projection arrangement
It estimates relative to this of the first device with the projection arrangement and estimates distance described in position, determined in the projection arrangement
One second projection arrangement；And
Using the second device, it is switched to using the second projection device display information.
10. projecting method according to claim 9, which is characterized in that be switched to that this is aobvious using the second projection device
The step of showing information further include:
Using the second device, the case where a distance of the first device and first projection arrangement is greater than a preset threshold
Under, it is switched to using the second projection device display information.
11. a kind of optical projection system characterized by comprising
An at least projection arrangement, an at least projection arrangement have a rotating mechanism；
One first device, to:
Send an identification signal；And
Receive the identification back-signalling corresponding to the identification signal；And
One second device, to:
According to the identification back-signalling, a display information is obtained from a database；
According to a current location of the first device, obtain an at least projection arrangement relative to the first device at least one away from
From；
Work as front direction according to the one of the first device, the rotating mechanism is enabled to rotate an at least projection arrangement；And
An at least distance according to an at least projection arrangement relative to the first device controls at least projection arrangement throwing
The shadow display information.
12. optical projection system according to claim 11, which is characterized in that an at least projection arrangement includes multiple projection dresses
Set, and the second device also to:
The more distances according to the projection arrangement relative to the first device determine one first projection in the projection arrangement
Device；
Deserve front direction according to the first device, rotates first projection arrangement in the projection arrangement；And
According to the distance of first projection arrangement relative to the first device, the first projection device display letter is controlled
Breath.
13. optical projection system according to claim 12, which is characterized in that the second device also to:
Position and one is estimated in advance according to a movement speed of the first device and a moving direction to calculate the one of the first device
Estimate direction；
It estimates position according to this of the first device and obtains the projection arrangement and estimate position relative to this of the first device
More are estimated distance；
It estimates relative to this of the first device according to the projection arrangement and estimates distance described in position in the projection arrangement
In determine one second projection arrangement；
Direction is estimated according to this of the first device, rotates second projection arrangement；And
It is switched to and uses the second projection device display information.
14. optical projection system according to claim 13, which is characterized in that the second device also to:
In the case where the first device is greater than a preset threshold at a distance from first projection arrangement, it is switched to and is thrown using second
Image device projects the display information.
15. optical projection system according to claim 11, which is characterized in that the identification signal is by the first device towards one
Three devices are sent, and the identification back-signalling is as the 3rd device according to produced by the identification signal and sending.
16. a kind of projecting method characterized by comprising
Using a first device, an identification signal is sent；
Using the first device, the identification back-signalling corresponding to the identification signal is received；
Using the second device, according to the identification back-signalling, a display information is obtained from a database；
Using the second device, according to a current location of the first device, obtain an at least projection arrangement relative to this first
An at least distance for device；
Using the second device, work as front direction according to the one of the first device, a rotating mechanism is enabled to rotate at least one projection dress
It sets；And
Using the second device, at least distance according to an at least projection arrangement relative to the first device, control should
At least projection device display information.
17. projecting method according to claim 16, which is characterized in that an at least projection arrangement includes multiple projection dresses
It sets, which includes:
Using the second device, more distances according to the projection arrangement relative to the first device, in the projection arrangement
In determine one first projection arrangement；
The step of wherein deserving front direction according to the first device, rotating an at least projection arrangement include:
Using the second device, front direction is deserved according to the first device, rotates first projection in the projection arrangement
Device；
And wherein at least distance according to an at least projection arrangement relative to the first device, control at least one projection
Device projects the step of display information and includes:
Using the second device, according to the distance of first projection arrangement relative to the first device, the first projection dress is controlled
It sets and projects the display information.
18. projecting method according to claim 17, which is characterized in that further include:
Using the second device, according to a movement speed of the first device and a moving direction to calculate the one of the first device
It estimates position and one estimates direction；
Using the second device, the position acquisition projection arrangement is estimated relative to the first device according to this of the first device
Estimate position more estimate distance；
Using the second device, estimates relative to this of the first device according to the projection arrangement and estimate distance described in position
One second projection arrangement is determined in the projection arrangement；
Using the second device, direction is estimated according to this of the first device, rotates second projection arrangement；And
Using the second device, it is switched to using the second projection device display information.
19. projecting method according to claim 18, which is characterized in that be switched to that this is aobvious using the second projection device
The step of showing information further include:
Using the second device, in the case where the first device is greater than a preset threshold at a distance from first projection arrangement,
It is switched to and uses the second projection device display information.
20. projecting method according to claim 16, which is characterized in that the identification signal is by the first device towards one
Three devices are sent, and the identification back-signalling is as the 3rd device according to produced by the identification signal and sending.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104138068 | 2015-11-18 | ||
| TW104138068A TWI639130B (en) | 2015-11-18 | 2015-11-18 | Projection system and projection method |
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| Publication Number | Publication Date |
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| CN106713800A CN106713800A (en) | 2017-05-24 |
| CN106713800B true CN106713800B (en) | 2019-07-16 |
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| JP2018036292A (en) * | 2016-08-29 | 2018-03-08 | セイコーエプソン株式会社 | Display device, controller, display method and program |
| CN109919999B (en) * | 2019-01-31 | 2021-06-11 | 深兰科技（上海）有限公司 | Target position detection method and device |
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| US20170142380A1 (en) | 2017-05-18 |
| CN106713800A (en) | 2017-05-24 |
| TW201719552A (en) | 2017-06-01 |
| US9860501B2 (en) | 2018-01-02 |
| TWI639130B (en) | 2018-10-21 |
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